By the order of the king, Oliver and his comrades head toward the demon king to subjugate him.The true identity of the easily defeated demon king is a beautiful girl, Cecilia. Oliver falls in love at first sight, and despite his comrades' objections, he just took her home with him!Oliver spoils Cecilia at every turn, but unfortunately, not a single one of his thoughts has reached her. Will there ever be a day where the hearts of the hero and the demon queen align…?!"